United States Environmental Protection Agency Office of Science and Technology; United States Environmental Protection Agency Office of Water(United States Environmental Protection Agency, 1992-10)

The Biological Criteria Program was initiated by EPA in response to research and interest generated over the last several years by Agency, State, and academic investigators. This interest has been documented in several ...

United States Environmental Protection Agency Office of Water; United States Environmental Protection Agency Office of Science and Technology(United States Environmental Protection Agency, 2000-10)

This document presents EPA's recommended Methodology for developing ambient water quality criteria as required under Section 304(a) of the Clean Water Act (CWA). The Methodology is guidance for scientific human health ...